Browse source-attributed reference data

Air quality

1,261 published records. Each page names its source and applicable date.

Aberdeen, SD

US | 21 | Good | 2026-03-31T00:00:00+00:00

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Aberdeen, WA

US | 23 | Good | 2026-02-28T00:00:00+00:00

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Ada County, Idaho

US | 21 | Good | 2026-03-31T00:00:00+00:00

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Adair County, Oklahoma

US | 2 | Good | 2026-04-01T00:00:00+00:00

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Adams County, Colorado

US | 27 | Good | 2026-04-30T00:00:00+00:00

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Adams County, Illinois

US | 42 | Good | 2026-04-30T00:00:00+00:00

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Adams County, Pennsylvania

US | 1 | Good | 2026-04-01T00:00:00+00:00

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Adams County, Washington

US | 18 | Good | 2026-02-28T00:00:00+00:00

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Adrian, MI

US | 56 | Moderate | 2026-03-31T00:00:00+00:00

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Aiken County, South Carolina

US | 46 | Good | 2026-04-30T00:00:00+00:00

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Akron, OH

US | 51 | Moderate | 2026-05-31T00:00:00+00:00

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Alachua County, Florida

US | 36 | Good | 2026-03-31T00:00:00+00:00

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Alamosa County, Colorado

US | 19 | Good | 2026-04-30T00:00:00+00:00

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Albany County, New York

US | 31 | Good | 2026-05-31T00:00:00+00:00

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Albany County, Wyoming

US | 13 | Good | 2026-04-30T00:00:00+00:00

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Albany, GA

US | 29 | Good | 2026-04-30T00:00:00+00:00

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Albany-Schenectady-Troy, NY

US | 31 | Good | 2026-05-31T00:00:00+00:00

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Albemarle County, Virginia

US | 28 | Good | 2026-05-31T00:00:00+00:00

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Albuquerque, NM

US | 1 | Good | 2026-04-01T00:00:00+00:00

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Alexander County, North Carolina

US | 46 | Good | 2026-04-30T00:00:00+00:00

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Allegan County, Michigan

US | 51 | Moderate | 2026-03-31T00:00:00+00:00

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Allegheny County, Pennsylvania

US | 2 | Good | 2026-04-01T00:00:00+00:00

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Allen County, Indiana

US | 41 | Good | 2026-04-30T00:00:00+00:00

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Allen County, Ohio

US | 41 | Good | 2026-04-30T00:00:00+00:00

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Allentown-Bethlehem-Easton, PA-NJ

US | 46 | Good | 2026-03-31T00:00:00+00:00

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Amador County, California

US | 24 | Good | 2026-01-31T00:00:00+00:00

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Amarillo, TX

US | 55 | Moderate | 2026-03-31T00:00:00+00:00

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Anchorage County, Alaska

US | 10 | Good | 2026-03-23T00:00:00+00:00

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Anchorage, AK

US | 10 | Good | 2026-03-23T00:00:00+00:00

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Anderson County, South Carolina

US | 44 | Good | 2026-04-30T00:00:00+00:00

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Anderson County, Tennessee

US | 44 | Good | 2026-03-31T00:00:00+00:00

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Andrew County, Missouri

US | 42 | Good | 2026-03-31T00:00:00+00:00

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Androscoggin County, Maine

US | 27 | Good | 2026-05-31T00:00:00+00:00

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Ann Arbor, MI

US | 53 | Moderate | 2026-03-31T00:00:00+00:00

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Anne Arundel County, Maryland

US | 44 | Good | 2026-03-31T00:00:00+00:00

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Apache County, Arizona

US | 7 | Good | 2026-02-25T00:00:00+00:00

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Appleton, WI

US | 35 | Good | 2026-03-31T00:00:00+00:00

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Arapahoe County, Colorado

US | 26 | Good | 2026-04-30T00:00:00+00:00

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Archuleta County, Colorado

US | 71 | Moderate | 2026-04-30T00:00:00+00:00

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Ardmore, OK

US | 31 | Good | 2026-04-30T00:00:00+00:00

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Arkadelphia, AR

US | 39 | Good | 2026-03-31T00:00:00+00:00

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Arkansas County, Arkansas

US | 56 | Moderate | 2026-03-30T00:00:00+00:00

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Arlington County, Virginia

US | 17 | Good | 2026-05-29T00:00:00+00:00

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Aroostook County, Maine

US | 25 | Good | 2026-03-31T00:00:00+00:00

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Ascension County, Louisiana

US | 35 | Good | 2026-05-31T00:00:00+00:00

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Asheville, NC

US | 47 | Good | 2026-04-30T00:00:00+00:00

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Ashland County, Wisconsin

US | 41 | Good | 2026-03-31T00:00:00+00:00

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Ashley County, Arkansas

US | 52 | Moderate | 2026-03-30T00:00:00+00:00

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Ashtabula County, Ohio

US | 38 | Good | 2026-04-30T00:00:00+00:00

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Ashtabula, OH

US | 38 | Good | 2026-04-30T00:00:00+00:00

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Asotin County, Washington

US | 57 | Moderate | 2026-02-28T00:00:00+00:00

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Atascosa County, Texas

US | 47 | Good | 2026-03-31T00:00:00+00:00

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Athens County, Ohio

US | 17 | Good | 2026-04-30T00:00:00+00:00

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Athens, OH

US | 17 | Good | 2026-04-30T00:00:00+00:00

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Athens, TN

US | 52 | Moderate | 2026-03-31T00:00:00+00:00

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Athens-Clarke County, GA

US | 43 | Good | 2026-04-30T00:00:00+00:00

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Atlanta-Sandy Springs-Roswell, GA

US | 5 | Good | 2026-05-01T00:00:00+00:00

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Atlantic City-Hammonton, NJ

US | 55 | Moderate | 2026-03-31T00:00:00+00:00

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Atlantic County, New Jersey

US | 55 | Moderate | 2026-03-31T00:00:00+00:00

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Augusta-Richmond County, GA-SC

US | 53 | Moderate | 2026-05-29T00:00:00+00:00

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Augusta-Waterville, ME

US | 31 | Good | 2026-05-31T00:00:00+00:00

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Austin-Round Rock, TX

US | 3 | Good | 2026-04-01T00:00:00+00:00

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Avery County, North Carolina

US | 45 | Good | 2026-04-30T00:00:00+00:00

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Baker County, Florida

US | 41 | Good | 2026-03-31T00:00:00+00:00

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Bakersfield, CA

US | 52 | Moderate | 2026-04-30T00:00:00+00:00

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Baldwin County, Alabama

US | 38 | Good | 2026-03-31T00:00:00+00:00

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Baltimore (City) County, Maryland

US | 56 | Moderate | 2026-03-31T00:00:00+00:00

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Baltimore County, Maryland

US | 47 | Good | 2026-03-31T00:00:00+00:00

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Baltimore-Columbia-Towson, MD

US | 3 | Good | 2026-04-01T00:00:00+00:00

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Bangor, ME

US | 45 | Good | 2026-05-31T00:00:00+00:00

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Bannock County, Idaho

US | 16 | Good | 2026-05-31T00:00:00+00:00

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Baraboo, WI

US | 43 | Good | 2026-03-31T00:00:00+00:00

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Barnstable County, Massachusetts

US | 40 | Good | 2026-02-22T00:00:00+00:00

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Barnstable Town, MA

US | 40 | Good | 2026-02-22T00:00:00+00:00

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Bartholomew County, Indiana

US | 47 | Good | 2026-05-31T00:00:00+00:00

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Baton Rouge, LA

US | 1 | Good | 2026-06-01T00:00:00+00:00

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Bay City, MI

US | 53 | Moderate | 2026-03-31T00:00:00+00:00

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Bay County, Florida

US | 49 | Good | 2026-03-31T00:00:00+00:00

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Bay County, Michigan

US | 53 | Moderate | 2026-03-31T00:00:00+00:00

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Bayamon County, Puerto Rico

US | 17 | Good | 2026-03-31T00:00:00+00:00

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Beatrice, NE

US | 19 | Good | 2026-05-31T00:00:00+00:00

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Beaumont-Port Arthur, TX

US | 68 | Moderate | 2026-02-28T00:00:00+00:00

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Beaver Dam, WI

US | 1 | Good | 2026-04-01T00:00:00+00:00

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Belknap County, New Hampshire

US | 38 | Good | 2026-03-31T00:00:00+00:00

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Bell County, Kentucky

US | 53 | Moderate | 2026-03-31T00:00:00+00:00

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Bell County, Texas

US | 39 | Good | 2026-03-31T00:00:00+00:00

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Bellingham, WA

US | 26 | Good | 2026-02-28T00:00:00+00:00

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Bend-Redmond, OR

US | 53 | Moderate | 2026-03-31T00:00:00+00:00

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Benewah County, Idaho

US | 44 | Good | 2026-03-31T00:00:00+00:00

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Bennington County, Vermont

US | 35 | Good | 2026-03-31T00:00:00+00:00

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Bennington, VT

US | 35 | Good | 2026-03-31T00:00:00+00:00

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Benton County, Washington

US | 33 | Good | 2026-02-28T00:00:00+00:00

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Bergen County, New Jersey

US | 3 | Good | 2026-04-01T00:00:00+00:00

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Berkeley County, South Carolina

US | 37 | Good | 2026-04-30T00:00:00+00:00

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Berkeley County, West Virginia

US | 37 | Good | 2026-03-31T00:00:00+00:00

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Berkshire County, Massachusetts

US | 56 | Moderate | 2026-02-28T00:00:00+00:00

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Berlin, NH-VT

US | 2 | Good | 2026-04-01T00:00:00+00:00

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Bernalillo County, New Mexico

US | 1 | Good | 2026-04-01T00:00:00+00:00

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Berrien County, Michigan

US | 36 | Good | 2026-03-31T00:00:00+00:00

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Bexar County, Texas

US | 1 | Good | 2026-04-01T00:00:00+00:00

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Bibb County, Georgia

US | 53 | Moderate | 2026-04-30T00:00:00+00:00

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Billings County, North Dakota

US | 39 | Good | 2026-03-31T00:00:00+00:00

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Birmingham-Hoover, AL

US | 3 | Good | 2026-04-01T00:00:00+00:00

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Bishop, CA

US | 51 | Moderate | 2026-04-30T00:00:00+00:00

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Bismarck, ND

US | 47 | Good | 2026-05-29T00:00:00+00:00

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Black Hawk County, Iowa

US | 53 | Moderate | 2026-05-30T00:00:00+00:00

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Blacksburg-Christiansburg-Radford, VA

US | 43 | Good | 2026-03-30T00:00:00+00:00

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Blaine County, Idaho

US | 43 | Good | 2026-03-31T00:00:00+00:00

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Bloomington, IL

US | 44 | Good | 2026-04-30T00:00:00+00:00

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Bloomington, IN

US | 23 | Good | 2026-05-20T00:00:00+00:00

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Blount County, Tennessee

US | 46 | Good | 2026-04-30T00:00:00+00:00

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Boise City, ID

US | 46 | Good | 2026-03-31T00:00:00+00:00

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Boise County, Idaho

US | 34 | Good | 2026-03-31T00:00:00+00:00

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Bolivar County, Mississippi

US | 43 | Good | 2026-05-31T00:00:00+00:00

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Bonner County, Idaho

US | 48 | Good | 2026-03-31T00:00:00+00:00

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Bonneville County, Idaho

US | 19 | Good | 2026-03-31T00:00:00+00:00

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Boone County, Indiana

US | 41 | Good | 2026-04-30T00:00:00+00:00

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Boone County, Kentucky

US | 43 | Good | 2026-03-31T00:00:00+00:00

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Boone County, Missouri

US | 42 | Good | 2026-03-31T00:00:00+00:00

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Bossier County, Louisiana

US | 42 | Good | 2026-05-31T00:00:00+00:00

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Boston-Cambridge-Newton, MA-NH

US | 2 | Good | 2026-04-01T00:00:00+00:00

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Boulder County, Colorado

US | 31 | Good | 2026-04-30T00:00:00+00:00

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Boulder, CO

US | 31 | Good | 2026-04-30T00:00:00+00:00

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Boundary County, Idaho

US | 19 | Good | 2026-05-31T00:00:00+00:00

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Bowie County, Texas

US | 54 | Moderate | 2026-03-31T00:00:00+00:00

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Bowling Green, KY

US | 44 | Good | 2026-04-30T00:00:00+00:00

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Box Elder County, Utah

US | 48 | Good | 2026-05-31T00:00:00+00:00

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Boyd County, Kentucky

US | 41 | Good | 2026-03-31T00:00:00+00:00

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Bozeman, MT

US | 2 | Good | 2026-05-01T00:00:00+00:00

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Brazoria County, Texas

US | 41 | Good | 2026-02-28T00:00:00+00:00

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Brazos County, Texas

US | 47 | Good | 2026-03-31T00:00:00+00:00

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Bremer County, Iowa

US | 39 | Good | 2026-05-31T00:00:00+00:00

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Bremerton-Silverdale, WA

US | 17 | Good | 2026-02-28T00:00:00+00:00

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Brevard County, Florida

US | 43 | Good | 2026-03-31T00:00:00+00:00

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Brewster County, Texas

US | 34 | Good | 2026-04-30T00:00:00+00:00

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Bristol City County, Virginia

US | 33 | Good | 2026-05-31T00:00:00+00:00

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Bristol County, Massachusetts

US | 45 | Good | 2026-02-28T00:00:00+00:00

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Bronx County, New York

US | 38 | Good | 2026-05-31T00:00:00+00:00

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Brooke County, West Virginia

US | 55 | Moderate | 2026-03-30T00:00:00+00:00

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Brookings County, South Dakota

US | 46 | Good | 2026-03-31T00:00:00+00:00

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Brookings, SD

US | 46 | Good | 2026-03-31T00:00:00+00:00

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Broward County, Florida

US | 6 | Good | 2026-04-01T00:00:00+00:00

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Brown County, Indiana

US | 42 | Good | 2026-05-31T00:00:00+00:00

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Brown County, South Dakota

US | 21 | Good | 2026-03-31T00:00:00+00:00

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Brown County, Wisconsin

US | 36 | Good | 2026-03-31T00:00:00+00:00

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Brownsville-Harlingen, TX

US | 54 | Moderate | 2026-03-31T00:00:00+00:00

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Brunswick, GA

US | 52 | Moderate | 2026-04-30T00:00:00+00:00

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Buchanan County, Missouri

US | 54 | Moderate | 2026-03-31T00:00:00+00:00

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Buffalo-Cheektowaga-Niagara Falls, NY

US | 1 | Good | 2026-06-01T00:00:00+00:00

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Bullitt County, Kentucky

US | 41 | Good | 2026-03-31T00:00:00+00:00

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Buncombe County, North Carolina

US | 44 | Good | 2026-04-30T00:00:00+00:00

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Burke County, North Dakota

US | 44 | Good | 2026-03-31T00:00:00+00:00

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Burleigh County, North Dakota

US | 47 | Good | 2026-05-29T00:00:00+00:00

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Burlington-South Burlington, VT

US | 1 | Good | 2026-04-01T00:00:00+00:00

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Butler County, Ohio

US | 42 | Good | 2026-04-30T00:00:00+00:00

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Butte County, California

US | 34 | Good | 2026-04-26T00:00:00+00:00

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Butte County, Idaho

US | 47 | Good | 2026-04-27T00:00:00+00:00

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Cabell County, West Virginia

US | 46 | Good | 2026-03-31T00:00:00+00:00

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Cache County, Utah

US | 45 | Good | 2026-05-31T00:00:00+00:00

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Caddo County, Louisiana

US | 41 | Good | 2026-05-31T00:00:00+00:00

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Cadillac, MI

US | 35 | Good | 2026-03-31T00:00:00+00:00

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Calaveras County, California

US | 56 | Moderate | 2026-01-31T00:00:00+00:00

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Calcasieu County, Louisiana

US | 43 | Good | 2026-05-31T00:00:00+00:00

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Caldwell County, North Carolina

US | 46 | Good | 2026-04-30T00:00:00+00:00

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Callaway County, Missouri

US | 43 | Good | 2026-03-31T00:00:00+00:00

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Calvert County, Maryland

US | 40 | Good | 2026-03-31T00:00:00+00:00

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Cambria County, Pennsylvania

US | 1 | Good | 2026-04-01T00:00:00+00:00

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Cambridge, MD

US | 44 | Good | 2026-03-31T00:00:00+00:00

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Camden County, New Jersey

US | 2 | Good | 2026-04-01T00:00:00+00:00

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Cameron County, Texas

US | 54 | Moderate | 2026-03-31T00:00:00+00:00

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Campbell County, Kentucky

US | 47 | Good | 2026-03-31T00:00:00+00:00

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Campbell County, Wyoming

US | 1 | Good | 2026-04-01T00:00:00+00:00

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Canadian County, Oklahoma

US | 41 | Good | 2026-04-30T00:00:00+00:00

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Canton-Massillon, OH

US | 51 | Moderate | 2026-05-31T00:00:00+00:00

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Canyon County, Idaho

US | 46 | Good | 2026-03-31T00:00:00+00:00

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Cape Coral-Fort Myers, FL

US | 44 | Good | 2026-03-31T00:00:00+00:00

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Carbon County, Utah

US | 64 | Moderate | 2026-05-31T00:00:00+00:00

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Carbon County, Wyoming

US | 0 | Good | 2026-04-02T00:00:00+00:00

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Carlsbad-Artesia, NM

US | 46 | Good | 2026-04-30T00:00:00+00:00

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Caroline County, Virginia

US | 42 | Good | 2026-04-30T00:00:00+00:00

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Carroll County, Indiana

US | 42 | Good | 2026-04-30T00:00:00+00:00

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Carroll County, Maryland

US | 44 | Good | 2026-03-31T00:00:00+00:00

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Carroll County, Virginia

US | 6 | Good | 2026-04-26T00:00:00+00:00

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Carter County, Kentucky

US | 43 | Good | 2026-03-31T00:00:00+00:00

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Carter County, Oklahoma

US | 21 | Good | 2026-04-30T00:00:00+00:00

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Carteret County, North Carolina

US | 41 | Good | 2026-03-31T00:00:00+00:00

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Casper, WY

US | 35 | Good | 2026-03-31T00:00:00+00:00

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Cass County, Missouri

US | 51 | Moderate | 2026-03-31T00:00:00+00:00

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Cass County, Nebraska

US | 6 | Good | 2026-05-31T00:00:00+00:00

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Cass County, North Dakota

US | 38 | Good | 2026-03-31T00:00:00+00:00

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Caswell County, North Carolina

US | 43 | Good | 2026-04-30T00:00:00+00:00

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Catano County, Puerto Rico

US | 19 | Good | 2026-03-31T00:00:00+00:00

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Catawba County, North Carolina

US | 18 | Good | 2026-04-30T00:00:00+00:00

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Ca¤on City, CO

US | 16 | Good | 2026-04-30T00:00:00+00:00

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Cecil County, Maryland

US | 45 | Good | 2026-03-31T00:00:00+00:00

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Cedar City, UT

US | 61 | Moderate | 2026-05-31T00:00:00+00:00

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Cedar County, Missouri

US | 54 | Moderate | 2026-03-31T00:00:00+00:00

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Cedar Rapids, IA

US | 64 | Moderate | 2026-05-31T00:00:00+00:00

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Centralia, WA

US | 27 | Good | 2026-02-28T00:00:00+00:00

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Centre County, Pennsylvania

US | 43 | Good | 2026-03-31T00:00:00+00:00

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Champaign County, Illinois

US | 45 | Good | 2026-04-30T00:00:00+00:00

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Champaign-Urbana, IL

US | 45 | Good | 2026-04-30T00:00:00+00:00

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Charles County, Maryland

US | 41 | Good | 2026-03-30T00:00:00+00:00

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Charles County, Virginia

US | 22 | Good | 2026-05-31T00:00:00+00:00

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Charleston County, South Carolina

US | 35 | Good | 2026-05-31T00:00:00+00:00

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Charleston, WV

US | 5 | Good | 2026-04-01T00:00:00+00:00

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Charleston-North Charleston, SC

US | 35 | Good | 2026-05-31T00:00:00+00:00

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Charlotte-Concord-Gastonia, NC-SC

US | 2 | Good | 2026-06-01T00:00:00+00:00

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Charlottesville, VA

US | 28 | Good | 2026-05-31T00:00:00+00:00

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Chatham County, Georgia

US | 43 | Good | 2026-04-30T00:00:00+00:00

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Chattanooga, TN-GA

US | 21 | Good | 2026-04-30T00:00:00+00:00

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Chautauqua County, New York

US | 41 | Good | 2026-05-28T00:00:00+00:00

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Chelan County, Washington

US | 28 | Good | 2026-02-28T00:00:00+00:00

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Cheshire County, New Hampshire

US | 45 | Good | 2026-03-31T00:00:00+00:00

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Chesterfield County, South Carolina

US | 51 | Moderate | 2026-05-29T00:00:00+00:00

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Chesterfield County, Virginia

US | 18 | Good | 2026-05-31T00:00:00+00:00

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Cheyenne, WY

US | 13 | Good | 2026-03-21T00:00:00+00:00

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Chicago-Naperville-Elgin, IL-IN-WI

US | 3 | Good | 2026-05-01T00:00:00+00:00

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Chico, CA

US | 34 | Good | 2026-04-26T00:00:00+00:00

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Chittenden County, Vermont

US | 1 | Good | 2026-04-01T00:00:00+00:00

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Christian County, Kentucky

US | 46 | Good | 2026-03-31T00:00:00+00:00

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Cincinnati, OH-KY-IN

US | 6 | Good | 2026-05-01T00:00:00+00:00

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Citrus County, Florida

US | 43 | Good | 2026-03-11T00:00:00+00:00

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Claiborne County, Tennessee

US | 44 | Good | 2026-03-31T00:00:00+00:00

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Clallam County, Washington

US | 17 | Good | 2026-02-28T00:00:00+00:00

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Claremont-Lebanon, NH-VT

US | 43 | Good | 2026-03-31T00:00:00+00:00

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Clark County, Arkansas

US | 39 | Good | 2026-03-31T00:00:00+00:00

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Clark County, Indiana

US | 41 | Good | 2026-05-31T00:00:00+00:00

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Clark County, Nevada

US | 1 | Good | 2026-05-01T00:00:00+00:00

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Clark County, Ohio

US | 41 | Good | 2026-04-30T00:00:00+00:00

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Clark County, Washington

US | 62 | Moderate | 2026-02-28T00:00:00+00:00

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Clarke County, Georgia

US | 43 | Good | 2026-04-30T00:00:00+00:00

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Clarksburg, WV

US | 39 | Good | 2026-03-30T00:00:00+00:00

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Clarksville, TN-KY

US | 46 | Good | 2026-03-31T00:00:00+00:00

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Clay County, Alabama

US | 33 | Good | 2026-03-31T00:00:00+00:00

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Clay County, Missouri

US | 42 | Good | 2026-03-31T00:00:00+00:00

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Clay County, South Dakota

US | 34 | Good | 2026-03-31T00:00:00+00:00

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Clayton County, Georgia

US | 39 | Good | 2026-02-28T00:00:00+00:00

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Clear Creek County, Colorado

US | 58 | Moderate | 2026-03-30T00:00:00+00:00

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Clearlake, CA

US | 18 | Good | 2026-03-27T00:00:00+00:00

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Clermont County, Ohio

US | 55 | Moderate | 2026-01-06T00:00:00+00:00

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Cleveland County, Oklahoma

US | 46 | Good | 2026-04-30T00:00:00+00:00

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Cleveland, MS

US | 43 | Good | 2026-05-31T00:00:00+00:00

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Cleveland-Elyria, OH

US | 61 | Moderate | 2026-05-31T00:00:00+00:00

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Clinton County, Iowa

US | 51 | Moderate | 2026-05-31T00:00:00+00:00

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Clinton County, Missouri

US | 42 | Good | 2026-03-31T00:00:00+00:00

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Clinton County, Ohio

US | 37 | Good | 2026-04-30T00:00:00+00:00

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Clinton, IA

US | 51 | Moderate | 2026-05-31T00:00:00+00:00

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Cobb County, Georgia

US | 38 | Good | 2026-04-30T00:00:00+00:00

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Cochise County, Arizona

US | 58 | Moderate | 2026-04-29T00:00:00+00:00

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Coconino County, Arizona

US | 51 | Moderate | 2026-04-30T00:00:00+00:00

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Codington County, South Dakota

US | 42 | Good | 2026-03-31T00:00:00+00:00

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Coeur d'Alene, ID

US | 33 | Good | 2026-03-31T00:00:00+00:00

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Coffee County, Georgia

US | 36 | Good | 2026-04-30T00:00:00+00:00

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College Station-Bryan, TX

US | 47 | Good | 2026-03-31T00:00:00+00:00

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Collier County, Florida

US | 42 | Good | 2026-03-31T00:00:00+00:00

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Collin County, Texas

US | 39 | Good | 2026-03-31T00:00:00+00:00

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Colorado Springs, CO

US | 28 | Good | 2026-04-30T00:00:00+00:00

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Columbia County, Florida

US | 40 | Good | 2026-03-31T00:00:00+00:00

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Columbia County, Washington

US | 29 | Good | 2026-03-31T00:00:00+00:00

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Columbia County, Wisconsin

US | 39 | Good | 2026-03-31T00:00:00+00:00

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Columbia, MO

US | 42 | Good | 2026-03-31T00:00:00+00:00

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Columbia, SC

US | 34 | Good | 2026-05-31T00:00:00+00:00

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Columbiana County, Ohio

US | 14 | Good | 2026-04-26T00:00:00+00:00

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Columbus, GA-AL

US | 35 | Good | 2026-04-30T00:00:00+00:00

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Columbus, IN

US | 47 | Good | 2026-05-31T00:00:00+00:00

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Columbus, OH

US | 40 | Good | 2026-04-30T00:00:00+00:00

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Colusa County, California

US | 22 | Good | 2026-03-31T00:00:00+00:00

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Comanche County, Oklahoma

US | 38 | Good | 2026-04-30T00:00:00+00:00

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Concord, NH

US | 32 | Good | 2026-03-31T00:00:00+00:00

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Converse County, Wyoming

US | 13 | Good | 2026-03-31T00:00:00+00:00

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Cook County, Illinois

US | 3 | Good | 2026-05-01T00:00:00+00:00

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Cookeville, TN

US | 39 | Good | 2026-03-31T00:00:00+00:00

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Coos County, New Hampshire

US | 2 | Good | 2026-04-01T00:00:00+00:00

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Corning, NY

US | 1 | Good | 2026-06-01T00:00:00+00:00

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Corpus Christi, TX

US | 51 | Moderate | 2026-03-31T00:00:00+00:00

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Corsicana, TX

US | 46 | Good | 2026-03-31T00:00:00+00:00

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Cowlitz County, Washington

US | 21 | Good | 2026-02-28T00:00:00+00:00

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Creek County, Oklahoma

US | 40 | Good | 2026-04-30T00:00:00+00:00

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Crescent City, CA

US | 22 | Good | 2026-03-31T00:00:00+00:00

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Crestview-Fort Walton Beach-Destin, FL

US | 38 | Good | 2026-03-31T00:00:00+00:00

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Crittenden County, Arkansas

US | 38 | Good | 2026-03-31T00:00:00+00:00

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Crook County, Oregon

US | 32 | Good | 2026-03-31T00:00:00+00:00

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Cumberland County, Maine

US | 40 | Good | 2026-05-31T00:00:00+00:00

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Cumberland County, New Jersey

US | 44 | Good | 2026-03-31T00:00:00+00:00

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Cumberland County, North Carolina

US | 40 | Good | 2026-04-30T00:00:00+00:00

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Cuyahoga County, Ohio

US | 5 | Good | 2026-05-01T00:00:00+00:00

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Dallas County, Texas

US | 41 | Good | 2026-03-31T00:00:00+00:00

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Dallas-Fort Worth-Arlington, TX

US | 5 | Good | 2026-04-01T00:00:00+00:00

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Dalton, GA

US | 42 | Good | 2026-04-30T00:00:00+00:00

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Dane County, Wisconsin

US | 53 | Moderate | 2026-03-31T00:00:00+00:00

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Daphne-Fairhope-Foley, AL

US | 38 | Good | 2026-03-31T00:00:00+00:00

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Darlington County, South Carolina

US | 43 | Good | 2026-04-30T00:00:00+00:00

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Davenport-Moline-Rock Island, IA-IL

US | 3 | Good | 2026-06-01T00:00:00+00:00

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Davidson County, North Carolina

US | 22 | Good | 2026-04-30T00:00:00+00:00

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Davidson County, Tennessee

US | 6 | Good | 2026-04-01T00:00:00+00:00

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Daviess County, Kentucky

US | 57 | Moderate | 2026-03-31T00:00:00+00:00

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Davis County, Utah

US | 47 | Good | 2026-05-31T00:00:00+00:00

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Dawson County, Georgia

US | 36 | Good | 2026-04-30T00:00:00+00:00

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Dayton, OH

US | 1 | Good | 2026-05-01T00:00:00+00:00

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Decatur, AL

US | 52 | Moderate | 2026-03-31T00:00:00+00:00

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Decatur, IL

US | 44 | Good | 2026-04-30T00:00:00+00:00

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DeKalb County, Alabama

US | 48 | Good | 2026-03-31T00:00:00+00:00

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DeKalb County, Georgia

US | 2 | Good | 2026-05-01T00:00:00+00:00

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DeKalb County, Tennessee

US | 39 | Good | 2026-03-31T00:00:00+00:00

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Del Norte County, California

US | 22 | Good | 2026-03-31T00:00:00+00:00

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Delaware County, Indiana

US | 41 | Good | 2026-04-30T00:00:00+00:00

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Delaware County, Ohio

US | 39 | Good | 2026-04-30T00:00:00+00:00

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Delta County, Colorado

US | 20 | Good | 2026-04-30T00:00:00+00:00

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Deltona-Daytona Beach-Ormond Beach, FL

US | 42 | Good | 2026-03-31T00:00:00+00:00

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Deming, NM

US | 37 | Good | 2026-03-31T00:00:00+00:00

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Denali County, Alaska

US | 45 | Good | 2026-04-30T00:00:00+00:00

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Denton County, Texas

US | 41 | Good | 2026-03-31T00:00:00+00:00

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Denver County, Colorado

US | 26 | Good | 2026-05-02T00:00:00+00:00

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Denver-Aurora-Lakewood, CO

US | 26 | Good | 2026-05-02T00:00:00+00:00

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Des Moines-West Des Moines, IA

US | 52 | Moderate | 2026-05-31T00:00:00+00:00

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Deschutes County, Oregon

US | 53 | Moderate | 2026-03-31T00:00:00+00:00

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DeSoto County, Mississippi

US | 50 | Good | 2026-05-31T00:00:00+00:00

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Detroit-Warren-Dearborn, MI

US | 8 | Good | 2026-04-01T00:00:00+00:00

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Dewey County, Oklahoma

US | 49 | Good | 2026-04-30T00:00:00+00:00

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Dickinson, ND

US | 39 | Good | 2026-03-31T00:00:00+00:00

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District of Columbia County, District Of Columbia

US | 5 | Good | 2026-06-01T00:00:00+00:00

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Dodge City, KS

US | 57 | Moderate | 2026-03-31T00:00:00+00:00

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Dodge County, Wisconsin

US | 1 | Good | 2026-04-01T00:00:00+00:00

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Dona Ana County, New Mexico

US | 53 | Moderate | 2026-03-31T00:00:00+00:00

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Door County, Wisconsin

US | 42 | Good | 2026-03-31T00:00:00+00:00

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Dorchester County, Maryland

US | 44 | Good | 2026-03-31T00:00:00+00:00

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Dougherty County, Georgia

US | 29 | Good | 2026-04-30T00:00:00+00:00

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Douglas County, Colorado

US | 24 | Good | 2026-04-30T00:00:00+00:00

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Douglas County, Georgia

US | 40 | Good | 2026-04-30T00:00:00+00:00

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Douglas County, Kansas

US | 42 | Good | 2026-03-31T00:00:00+00:00

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Douglas County, Nebraska

US | 1 | Good | 2026-04-01T00:00:00+00:00

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Douglas, GA

US | 36 | Good | 2026-04-30T00:00:00+00:00

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Dubois County, Indiana

US | 52 | Moderate | 2026-03-31T00:00:00+00:00

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Duchesne County, Utah

US | 50 | Good | 2026-05-31T00:00:00+00:00

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Dukes County, Massachusetts

US | 43 | Good | 2026-02-28T00:00:00+00:00

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Duluth, MN-WI

US | 32 | Good | 2026-04-30T00:00:00+00:00

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Dunn County, North Dakota

US | 38 | Good | 2026-03-31T00:00:00+00:00

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DuPage County, Illinois

US | 38 | Good | 2026-04-30T00:00:00+00:00

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Durango, CO

US | 58 | Moderate | 2026-04-30T00:00:00+00:00

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Durham County, North Carolina

US | 38 | Good | 2026-04-30T00:00:00+00:00

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Durham-Chapel Hill, NC

US | 45 | Good | 2026-04-30T00:00:00+00:00

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Dutchess County, New York

US | 35 | Good | 2026-05-31T00:00:00+00:00

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Duval County, Florida

US | 6 | Good | 2026-04-01T00:00:00+00:00

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Dyer County, Tennessee

US | 41 | Good | 2026-03-31T00:00:00+00:00

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Dyersburg, TN

US | 41 | Good | 2026-03-31T00:00:00+00:00

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Eagle Pass, TX

US | 54 | Moderate | 2026-03-31T00:00:00+00:00

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East Baton Rouge County, Louisiana

US | 1 | Good | 2026-06-01T00:00:00+00:00

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Eau Claire County, Wisconsin

US | 40 | Good | 2026-03-31T00:00:00+00:00

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Eau Claire, WI

US | 40 | Good | 2026-03-31T00:00:00+00:00

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Ector County, Texas

US | 105 | Unhealthy for Sensitive Groups | 2026-03-31T00:00:00+00:00

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Eddy County, New Mexico

US | 46 | Good | 2026-04-30T00:00:00+00:00

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Edgecombe County, North Carolina

US | 36 | Good | 2026-04-30T00:00:00+00:00

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Edgefield County, South Carolina

US | 53 | Moderate | 2026-05-29T00:00:00+00:00

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Edmonson County, Kentucky

US | 44 | Good | 2026-04-30T00:00:00+00:00

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Effingham County, Illinois

US | 45 | Good | 2026-04-30T00:00:00+00:00

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Effingham, IL

US | 45 | Good | 2026-04-30T00:00:00+00:00

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El Centro, CA

US | 19 | Good | 2026-04-26T00:00:00+00:00

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El Dorado County, California

US | 40 | Good | 2026-01-31T00:00:00+00:00

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El Dorado, AR

US | 54 | Moderate | 2026-03-30T00:00:00+00:00

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El Paso County, Colorado

US | 28 | Good | 2026-04-30T00:00:00+00:00

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El Paso County, Texas

US | 3 | Good | 2026-04-01T00:00:00+00:00

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El Paso, TX

US | 3 | Good | 2026-04-01T00:00:00+00:00

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Elizabethtown-Fort Knox, KY

US | 51 | Moderate | 2026-03-31T00:00:00+00:00

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Elk County, Pennsylvania

US | 44 | Good | 2026-03-31T00:00:00+00:00

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Elkhart County, Indiana

US | 23 | Good | 2026-05-31T00:00:00+00:00

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Elkhart-Goshen, IN

US | 23 | Good | 2026-05-31T00:00:00+00:00

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Ellensburg, WA

US | 31 | Good | 2026-02-28T00:00:00+00:00

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Ellis County, Texas

US | 35 | Good | 2026-03-31T00:00:00+00:00

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Erie County, New York

US | 1 | Good | 2026-06-01T00:00:00+00:00

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Erie County, Pennsylvania

US | 0 | Good | 2026-04-01T00:00:00+00:00

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Erie, PA

US | 0 | Good | 2026-04-01T00:00:00+00:00

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Escambia County, Florida

US | 52 | Moderate | 2026-03-31T00:00:00+00:00

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Espa¤ola, NM

US | 48 | Good | 2026-03-31T00:00:00+00:00

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Essex County, Massachusetts

US | 51 | Moderate | 2026-02-28T00:00:00+00:00

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Essex County, New Jersey

US | 43 | Good | 2026-03-30T00:00:00+00:00

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Essex County, New York

US | 40 | Good | 2026-05-31T00:00:00+00:00

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Etowah County, Alabama

US | 50 | Good | 2026-03-31T00:00:00+00:00

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Eugene, OR

US | 36 | Good | 2026-03-31T00:00:00+00:00

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Eureka-Arcata-Fortuna, CA

US | 32 | Good | 2026-03-31T00:00:00+00:00

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Evanston, WY

US | 9 | Good | 2026-03-31T00:00:00+00:00

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Evansville, IN-KY

US | 50 | Good | 2026-05-31T00:00:00+00:00

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Fairbanks North Star County, Alaska

US | 53 | Moderate | 2026-03-31T00:00:00+00:00

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Fairbanks, AK

US | 53 | Moderate | 2026-03-31T00:00:00+00:00

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Fairfax County, Virginia

US | 23 | Good | 2026-05-31T00:00:00+00:00

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Fairmont, WV

US | 41 | Good | 2026-03-30T00:00:00+00:00

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Fargo, ND-MN

US | 38 | Good | 2026-03-31T00:00:00+00:00

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Farmington, NM

US | 58 | Moderate | 2026-04-30T00:00:00+00:00

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Fauquier County, Virginia

US | 40 | Good | 2026-04-30T00:00:00+00:00

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Fayette County, Kentucky

US | 44 | Good | 2026-03-31T00:00:00+00:00

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Fayetteville, NC

US | 40 | Good | 2026-04-30T00:00:00+00:00

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Fayetteville-Springdale-Rogers, AR-MO

US | 42 | Good | 2026-03-31T00:00:00+00:00

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Flagler County, Florida

US | 38 | Good | 2026-03-31T00:00:00+00:00

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Flagstaff, AZ

US | 51 | Moderate | 2026-04-30T00:00:00+00:00

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Flathead County, Montana

US | 46 | Good | 2026-04-30T00:00:00+00:00

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Flint, MI

US | 57 | Moderate | 2026-03-31T00:00:00+00:00

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Florence County, South Carolina

US | 42 | Good | 2026-05-29T00:00:00+00:00

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Florence, SC

US | 42 | Good | 2026-05-29T00:00:00+00:00

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Floyd County, Georgia

US | 16 | Good | 2026-04-30T00:00:00+00:00

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Floyd County, Indiana

US | 49 | Good | 2026-05-31T00:00:00+00:00

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Fond du Lac County, Wisconsin

US | 35 | Good | 2026-03-31T00:00:00+00:00

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Fond du Lac, WI

US | 35 | Good | 2026-03-31T00:00:00+00:00

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Ford County, Kansas

US | 57 | Moderate | 2026-03-31T00:00:00+00:00

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Forest County, Wisconsin

US | 19 | Good | 2026-03-31T00:00:00+00:00

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Forrest County, Mississippi

US | 41 | Good | 2026-05-31T00:00:00+00:00

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Forsyth County, North Carolina

US | 58 | Moderate | 2026-02-28T00:00:00+00:00

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Fort Collins, CO

US | 44 | Good | 2026-04-30T00:00:00+00:00

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Fort Dodge, IA

US | 36 | Good | 2026-05-31T00:00:00+00:00

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Fort Payne, AL

US | 48 | Good | 2026-03-31T00:00:00+00:00

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Fort Smith, AR-OK

US | 51 | Moderate | 2026-03-31T00:00:00+00:00

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Fort Wayne, IN

US | 41 | Good | 2026-04-30T00:00:00+00:00

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Franklin County, Idaho

US | 20 | Good | 2026-01-05T00:00:00+00:00

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Franklin County, Massachusetts

US | 23 | Good | 2026-03-27T00:00:00+00:00

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Franklin County, Ohio

US | 40 | Good | 2026-04-30T00:00:00+00:00

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Franklin County, Washington

US | 23 | Good | 2026-02-28T00:00:00+00:00

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Frederick County, Maryland

US | 40 | Good | 2026-03-31T00:00:00+00:00

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Frederick County, Virginia

US | 23 | Good | 2026-05-31T00:00:00+00:00

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Fremont County, Colorado

US | 16 | Good | 2026-04-30T00:00:00+00:00

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Fremont County, Wyoming

US | 43 | Good | 2026-03-31T00:00:00+00:00

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Fresno County, California

US | 64 | Moderate | 2026-05-31T00:00:00+00:00

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Fresno, CA

US | 64 | Moderate | 2026-05-31T00:00:00+00:00

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Fulton County, Georgia

US | 5 | Good | 2026-05-01T00:00:00+00:00

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Gadsden, AL

US | 50 | Good | 2026-03-31T00:00:00+00:00

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Gage County, Nebraska

US | 19 | Good | 2026-05-31T00:00:00+00:00

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Gainesville, FL

US | 36 | Good | 2026-03-31T00:00:00+00:00

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Gainesville, GA

US | 24 | Good | 2026-04-30T00:00:00+00:00

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Gallatin County, Montana

US | 2 | Good | 2026-05-01T00:00:00+00:00

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Galveston County, Texas

US | 50 | Good | 2026-02-28T00:00:00+00:00

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Garfield County, Washington

US | 18 | Good | 2026-02-28T00:00:00+00:00

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Garland County, Arkansas

US | 58 | Moderate | 2026-03-30T00:00:00+00:00

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Garrett County, Maryland

US | 45 | Good | 2026-03-31T00:00:00+00:00

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Geauga County, Ohio

US | 42 | Good | 2026-04-30T00:00:00+00:00

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Genesee County, Michigan

US | 57 | Moderate | 2026-03-31T00:00:00+00:00

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Gettysburg, PA

US | 1 | Good | 2026-04-01T00:00:00+00:00

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Gila County, Arizona

US | 55 | Moderate | 2026-03-31T00:00:00+00:00

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Giles County, Virginia

US | 43 | Good | 2026-03-30T00:00:00+00:00

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Gillette, WY

US | 1 | Good | 2026-04-01T00:00:00+00:00

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Gilmer County, West Virginia

US | 41 | Good | 2026-03-30T00:00:00+00:00

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Gilpin County, Colorado

US | 34 | Good | 2026-03-31T00:00:00+00:00

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Glenn County, California

US | 46 | Good | 2026-01-31T00:00:00+00:00

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Glenwood Springs, CO

US | 16 | Good | 2026-04-30T00:00:00+00:00

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Gloucester County, New Jersey

US | 45 | Good | 2026-03-31T00:00:00+00:00

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Glynn County, Georgia

US | 52 | Moderate | 2026-04-30T00:00:00+00:00

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Grafton County, New Hampshire

US | 43 | Good | 2026-03-31T00:00:00+00:00

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Graham County, North Carolina

US | 46 | Good | 2026-04-30T00:00:00+00:00

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Grand County, Utah

US | 71 | Moderate | 2026-05-31T00:00:00+00:00

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Grand Island, NE

US | 51 | Moderate | 2026-05-31T00:00:00+00:00

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Grand Junction, CO

US | 19 | Good | 2026-04-30T00:00:00+00:00

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Grand Rapids-Wyoming, MI

US | 2 | Good | 2026-04-01T00:00:00+00:00

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Grant County, Washington

US | 29 | Good | 2026-02-28T00:00:00+00:00

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Grant County, Wisconsin

US | 34 | Good | 2026-03-31T00:00:00+00:00

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Grants Pass, OR

US | 19 | Good | 2026-03-31T00:00:00+00:00

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Granville County, North Carolina

US | 42 | Good | 2026-04-30T00:00:00+00:00

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Grays Harbor County, Washington

US | 23 | Good | 2026-02-28T00:00:00+00:00

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Greeley, CO

US | 28 | Good | 2026-04-30T00:00:00+00:00

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Green Bay, WI

US | 36 | Good | 2026-03-31T00:00:00+00:00

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Greenbrier County, West Virginia

US | 38 | Good | 2026-03-31T00:00:00+00:00

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Greene County, Indiana

US | 23 | Good | 2026-05-20T00:00:00+00:00

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Greene County, Missouri

US | 73 | Moderate | 2026-03-31T00:00:00+00:00

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Greene County, Ohio

US | 42 | Good | 2026-04-30T00:00:00+00:00

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Greenfield Town, MA

US | 23 | Good | 2026-03-27T00:00:00+00:00

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Greensboro-High Point, NC

US | 45 | Good | 2026-04-30T00:00:00+00:00

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Greenup County, Kentucky

US | 41 | Good | 2026-03-31T00:00:00+00:00

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Greenville County, South Carolina

US | 42 | Good | 2026-05-31T00:00:00+00:00

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Greenville, NC

US | 36 | Good | 2026-04-30T00:00:00+00:00

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Greenville-Anderson-Mauldin, SC

US | 42 | Good | 2026-05-31T00:00:00+00:00

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Gregg County, Texas

US | 3 | Good | 2026-03-31T00:00:00+00:00

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Guilford County, North Carolina

US | 44 | Good | 2026-04-30T00:00:00+00:00

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Gulfport-Biloxi-Pascagoula, MS

US | 53 | Moderate | 2026-05-31T00:00:00+00:00

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Gunnison County, Colorado

US | 45 | Good | 2026-03-31T00:00:00+00:00

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Gwinnett County, Georgia

US | 38 | Good | 2026-04-30T00:00:00+00:00

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Hagerstown-Martinsburg, MD-WV

US | 38 | Good | 2026-03-31T00:00:00+00:00

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Hailey, ID

US | 43 | Good | 2026-03-31T00:00:00+00:00

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Hall County, Georgia

US | 24 | Good | 2026-04-30T00:00:00+00:00

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Hall County, Nebraska

US | 51 | Moderate | 2026-05-31T00:00:00+00:00

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Hamilton County, Florida

US | 49 | Good | 2026-03-31T00:00:00+00:00

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Hamilton County, Illinois

US | 46 | Good | 2026-04-30T00:00:00+00:00

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Hamilton County, Indiana

US | 21 | Good | 2026-05-31T00:00:00+00:00

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Hamilton County, New York

US | 34 | Good | 2026-05-31T00:00:00+00:00

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Hamilton County, Ohio

US | 6 | Good | 2026-05-01T00:00:00+00:00

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Hamilton County, Tennessee

US | 56 | Moderate | 2026-03-31T00:00:00+00:00

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Hampden County, Massachusetts

US | 22 | Good | 2026-03-27T00:00:00+00:00

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Hampshire County, Massachusetts

US | 50 | Good | 2026-02-28T00:00:00+00:00

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Hampton City County, Virginia

US | 20 | Good | 2026-05-31T00:00:00+00:00

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Hancock County, Kentucky

US | 38 | Good | 2026-03-31T00:00:00+00:00

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Hancock County, Maine

US | 1 | Good | 2026-06-01T00:00:00+00:00

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Hancock County, Mississippi

US | 47 | Good | 2026-05-31T00:00:00+00:00

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Hancock County, West Virginia

US | 42 | Good | 2026-03-31T00:00:00+00:00

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Hanford-Corcoran, CA

US | 56 | Moderate | 2026-03-31T00:00:00+00:00

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Hanover County, Virginia

US | 41 | Good | 2026-04-30T00:00:00+00:00

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Hardin County, Kentucky

US | 51 | Moderate | 2026-03-31T00:00:00+00:00

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Harford County, Maryland

US | 47 | Good | 2026-03-31T00:00:00+00:00

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Harney County, Oregon

US | 16 | Good | 2026-03-31T00:00:00+00:00

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Harris County, Texas

US | 1 | Good | 2026-04-01T00:00:00+00:00

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Harrison County, Iowa

US | 50 | Good | 2026-05-31T00:00:00+00:00

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Harrison County, Mississippi

US | 51 | Moderate | 2026-05-31T00:00:00+00:00

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Harrison County, Texas

US | 58 | Moderate | 2026-03-31T00:00:00+00:00

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Harrison County, West Virginia

US | 39 | Good | 2026-03-30T00:00:00+00:00

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Harrison, AR

US | 67 | Moderate | 2026-03-25T00:00:00+00:00

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Harrisonburg, VA

US | 19 | Good | 2026-05-31T00:00:00+00:00

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